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What Is the Theory of Constraints? The Theory of Constraints is a methodology for identifying the most important limiting factor (i.e., constraint) that stands in the way of achieving a goal and then systematically improving that constraint until it is no longer the limiting factor. In manufacturing, the constraint is often referred to as a ...
The core idea of lean manufacturing, (i.e., lean production) is actually quite simple; relentlessly work on eliminating waste from the manufacturing process.
Bottom line – measure OEE AND focus improvement efforts on the constraint. The constraint is the fulcrum (i.e., point of leverage) for the entire process. Focusing improvement efforts on the constraint ensures optimal use of resources and is the fastest route to improved productivity and profitability.
Constraint: The equipment is a constraint/bottleneck – thus improvements will bring immediate benefits. If constraint equipment is selected, minimize the potential risk by building temporary stock and otherwise ensuring that unanticipated downtime can be tolerated.
Knowledge Culture: investing in employee training to achieve a culture that supports rapid change and ongoing adaptation. Agile manufacturing builds on lean with four key elements: Modular Product Design, Information Technology, Corporate Partners, and a Knowledge Culture.
Vorne is passionate about manufacturing improvement. Find answers on Lean, TPM, OEE, and Theory of Constraints.
Our Manufacturing Pack includes executive summaries on OEE, Six Big Losses, Down Time Tips, SMED, Improve the Constraint, Top Losses, IDA, and Short Interval Control. It also includes IDA audit sheets for OEE and a worksheet for Short Interval Control meetings.
Five Lean Principles: The classic process for implementing lean. Seven Deadly Wastes: The traditional categories of waste in manufacturing processes. The essence of lean manufacturing is captured by the Five Lean Principles (outer ring) and the Seven Deadly Wastes (center circle).
Kaizen is a strategy where employees at all levels of a company work together proactively to achieve regular, incremental improvements to the manufacturing process. In a sense, it combines the collective talents within a company to create a powerful engine for improvement.
OEE takes into account all losses (Stop Time Loss, Speed Loss, and Quality Loss), resulting in a measure of truly productive manufacturing time. OEE is calculated as the ratio of Fully Productive Time to Planned Production Time. In practice, it is calculated as: OEE = Availability × Performance × Quality.
